The five main political parties at Holyrood have been asked to make initial submissions to Lord Smith by the end of this week.

The UK government is expected to publish its command paper next week.

It was promised before the end of October as part of a tight timetable set out by the former Labour Prime Minister Gordon Brown ahead of the Scottish independence referendum.

There is expected to be a full day's debate in the Commons next Tuesday to discuss the implications of the "No" vote on 18 September - but also the wider constitutional issues like English votes for English laws promised by David Cameron.